Manaa, Ammar A; Jones, Brian G; McGregor, Helen V; Zhao, Jian-Xin; Price, David M (2017): Age determination of coral samples from terraces along the Saudi Arabian Red Sea coast [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.871479, Supplement to: Manaa, AA et al. (2016): Dating Quaternary raised coral terraces along the Saudi Arabian Red Sea coast. Marine Geology, 374, 59-72, https://doi.org/10.1016/j.margeo.2016.02.002
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Abstract:
Late Pleistocene raised coral reef terraces form extensive outcrops up to 5 km wide along the Saudi coast. Porites coral were dated using Uranium/Thorium while clastic sediment from Jeddah was dated using thermoluminescence. The pooled mean age for the coral samples is 121.5 ± 0.2 ka suggesting MIS 5e, even for the uplifted 16-20 m high terrace in the north at Haql. In Jeddah the MIS 5e back-reef succession is overlain by fluvial sediment that gave a TL age of 66 ± 13 ka. The structure and faunal composition of the coral terraces suggests that they accumulated in broad shallow embayments following the last interglacial transgression. The consistent elevation of these terraces suggests that the central and southern Saudi coast has been tectonically stable for at least the past 125,000 years and the coral reef terraces (at 3.5-5.5 m elevation) are consistent with the MIS 5e sea level high-stand that peaked at 6-9 m above present sea level. The Saudi coastal coral terrace north of Duba shows progressive uplift to 16-20 m near Haql since 108-120 ka as a result of ongoing transform faulting in the Gulf of Aqaba.
Further details:
Thompson, William G; Spiegelman, Marc W; Goldstein, Steven L; Speed, Robert C (2003): An open-system model for U-series age determinations of fossil corals. Earth and Planetary Science Letters, 210(1-2), 365-381, https://doi.org/10.1016/S0012-821X(03)00121-3
Coverage:
Median Latitude: 24.858846 * Median Longitude: 37.279271 * South-bound Latitude: 20.829550 * West-bound Longitude: 34.892967 * North-bound Latitude: 29.190833 * East-bound Longitude: 39.419100
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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2 datasets
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Datasets listed in this publication series
- Manaa, AA; Jones, BG; McGregor, HV et al. (2017): (Table 2) Open-system age model and aragonite contens of coral samples from terraces along the Saudi Arabian Red Sea coast. https://doi.org/10.1594/PANGAEA.871477
- Manaa, AA; Jones, BG; McGregor, HV et al. (2017): (Table A1) Open-system age model and Uranium/Thorium analyses of coral samples from terraces along the Saudi Arabian Red Sea coast. https://doi.org/10.1594/PANGAEA.871481